Vouyoukas entered the draft in April but didn't hire an agent.
The deadline to withdraw from the June 28 draft is Sunday.

After a 9-21 season in 2004-05, Saint Louis improved last season
to 16-13 overall and 10-6 in its first season in the Atlantic 10
Conference, tying for third place. The 2005-06 season was also a
breakout for the 6-foot-10 Vouyoukas, who set a team record with 55
blocks.

He worked out for the Toronto Raptors in late May and attended
the pre-draft camp.